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538663017 = 3179554339
BaseRepresentation
bin100000000110110…
…101100001101001
31101112120220202010
4200012311201221
52100344204032
6125241230133
716230363054
oct4006654151
91345526663
10538663017
11257074552
12130492349
13877a1219
145177ba9b
1532453ccc
hex201b5869

538663017 has 4 divisors (see below), whose sum is σ = 718217360. Its totient is φ = 359108676.

The previous prime is 538662991. The next prime is 538663051. The reversal of 538663017 is 710366835.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 538663017 - 26 = 538662953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (538663417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89777167 + ... + 89777172.

It is an arithmetic number, because the mean of its divisors is an integer number (179554340).

Almost surely, 2538663017 is an apocalyptic number.

It is an amenable number.

538663017 is a deficient number, since it is larger than the sum of its proper divisors (179554343).

538663017 is a wasteful number, since it uses less digits than its factorization.

538663017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179554342.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 538663017 is about 23209.1149551205. The cubic root of 538663017 is about 813.6526684138.

The spelling of 538663017 in words is "five hundred thirty-eight million, six hundred sixty-three thousand, seventeen".

Divisors: 1 3 179554339 538663017